Home / 24,187.60-36,232.80-13,787.20

Finding the Fourth Proportional to 24,187.60, 36,232.80 and 13,787.20

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Solution

The fourth proportional to 24,187.60, 36,232.80 and 13,787.20 is: 20,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,187.60 : 36,232.80 = 13,787.20 : x
  2. Step 2: Convert to fraction form
    24,187.60/36,232.80 = 13,787.20/x
  3. Step 3: Cross multiply
    24,187.60x = 36,232.80 × 13,787.20
  4. Step 4: Simplify right side
    24,187.60x = 499,548,860.16
  5. Step 5: Solve for x
    x = 499,548,860.16/24,187.60
  6. Step 6: Final answer
    x = 20,653.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.